“It already is illegal to expose oneself regardless of the gender.”
Not anymore. Not in a women’s restroom or shower etc...
And if someone complains about a naked man in a women’s/girl’s shower, say at a public pool, the complainer is the criminal.
I’ve always thought that these low-privacy situations were dubious anyhow, just because of the faggots (so sue me for using the word). I would not mind seeing public pressure for them to evolve to afford better privacy to patrons. Before you step out of the shower you should have at least your undergarments on.
This is precisely the Pandora's Box that we have now opened.